/*
This file is part of JOP, the Java Optimized Processor
see <http://www.jopdesign.com/>
Copyright (C) 2009, 2010, Peter Hilber (peter@hilber.name)
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.jopdesign.tools;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.util.regex.Pattern;
public class MatchPattern {
protected static final String headerPattern =
// TODO fix pattern
/* "^.*" +
"JOP start V [0-9]{8} \\s+" +
"[0-9]{1,4} MHz, [0-9]{3,6} KB RAM, [0-9]{3,6} Byte on-chip RAM, [0-9]{1,2} CPUs\\s+" +
"multianewarray \\- GC issue\\?\\s+"; */
"^.*";
protected static final String trailerPattern = "\\s*JVM exit!$";
/**
* @param args File containing regex pattern to be matched by System.in.
*/
public static void main(String[] args) throws IOException {
byte[] input;
{
byte[] buf = new byte[1<<20];
int read;
int offset = 0;
int capacity = buf.length;
while ((read = System.in.read(buf, offset, capacity)) != -1) {
System.out.write(buf, offset, read);
offset += read;
capacity -= read;
if (capacity == 0) {
throw new IOException();
}
}
input = new byte[offset];
System.arraycopy(buf, 0, input, 0, offset);
}
File patternFile = new File(args[0]);
long patternFileLen = patternFile.length();
if (patternFileLen > Integer.MAX_VALUE) {
throw new IOException();
}
byte[] pattern = new byte[(int)patternFileLen];
new FileInputStream(patternFile).read(pattern);
Pattern p =
Pattern.compile(
headerPattern + new String(pattern) + trailerPattern,
Pattern.DOTALL);
System.exit(p.matcher(new String(input)).matches() ? 0 : 2);
}
}